CVE-2018-5229: Atlassian Universal Plugin Manager

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

The NotificationRepresentationFactoryImpl class in Atlassian Universal Plugin Manager before version 2.22.9 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the name of user submitted add-on names.

Affected products

• Atlassian Universal Plugin Manager: before 2.22.9 (fixed in 2.22.9)

Published 2018-07-16. Last modified 2026-06-17.